Physics and Chemistry of Circumstellar Dust Shells

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Cambridge University Press, 2014 - Science - 683 pages
Circumstellar dust, the astronomical dust that forms around a star, provides today's researchers with important clues for understanding how the Universe has evolved. This volume examines the structure, dynamics, and observable consequences of the dust clouds surrounding highly evolved stars on the Giant Branch. Early chapters cover the physical and chemical basis of the formation of dust shells, the outflow of matter, and condensation processes, while offering detailed descriptions of techniques for calculating dust formation and growth. Later chapters showcase a wide range of modeling strategies, including chemical and radiative transfer and dust-induced non-linear dynamics, as well as the latest data obtained from AGB stars and other giants. This volume introduces graduate students and researchers to the theoretical description for modeling the dusty outflows from cool stars and provides a full understanding of the processes involved.
 

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Contents

Evolutionary Status of DustEnshrouded Objects
29
The Thermally Pulsing
36
Abundance Changes on the AGB by the Third DredgeUp
42
PostAGB Evolution
50
3
63
Energy Equation for Matter
95
Equations of Change for the Inner Energy Reservoirs
104
Radiative Transfer
110
Formation of Seed Nuclei
397
Moment Equations
439
15
459
19
481
Miras and LongPeriod Variables
521
2
546
MassLoss Formulas
581
R Coronae Borealis Stars
607

Interaction between Gas and Dust Particles
130
7
167
Approaches to the Temperature Equations
216
Chemistry in Thermodynamic Equilibrium
229
GasSolid Chemical Equilibria
292
Growth of Dust Grains
332
Solution of the RadiativeTransfer Problem
623
63
631
Numerics of TimeDependent Problems
637
4
650
Index
673
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About the author (2014)

Hans-Peter Gail received his PhD in astrophysics from the University of Heidelberg, Germany, where he has been a professor since 1996. His research interests include cosmic dust, the cosmic matter cycle, mass-loss processes, protoplanetary disks and astromineralogy.

Erwin Sedlmayr is a Professor of Astronomy and Astrophysics at the Technische Universit t Berlin, Germany, where he served as the head of the Center for Astronomy and Astrophysics for seven years. His research focuses on cosmic dust, modeling stellar dust forming systems, stellar mass-loss, the cosmic matter cycle and non-linear dynamics.

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